Installing System Components 453 Flex the right-side rail and insert the carrier pins into the hard-driveassembly’s mounting holes and then flex the left-side rail and insert thepins into the other mounting holes.4 Fit the t-shaped end of the carrier strap handle into the notch and thentwist to lock the strap handle. See Figure 2-11.Removing a SSD Hard-Drive Carrier From an Expansion Hard-DriveCarrierCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized is not covered bywarranty. Read and follow the safety instructions that came with the product.CAUTION: To maintain proper system cooling, all empty hard-drive slots musthave hard-drive blanks installed.CAUTION: Use only hard-drives that have been tested and approved for use withthe hard-drive backplane.CAUTION: To prevent data loss, ensure that your operating system supports hot-swappable drive installation. See the documentation supplied with the operatingsystem.NOTE: When combining SAS, SATA or SATA hard-drives in the sled, ensure thefollowing:• Only two drive types can be mixed per sled.• Hard-drives installed in a vertically aligned drive bay (i.e., drive bays 0, 1 ordrive bays 0, 1,2, 3) must be of same type.• Only SAS hard-drives are supported in a dual-cable SAS expanderconnection.1 Rotate the expansion hard-drive carrier’s strap handle to unlock it from thehard-drive carrier. See Figure 2-12.2 Using the strap handle, pull the SSD hard-drive carrier out of theexpansion hard-drive carrier. See Figure 2-12.